侦察: reconnoitre; scout活动: move about; exercise中心: centre; centrum; centrality; ...侦察活动: scout activity; scoutcraft进行侦察活动: conduct reconnaissance侦察活动半径: reconnaissance radius活动中心: action center; active center; activity center; center of action; center of activity (ca); ganglion; hub; seat; wellesley student center准活动中心: quasi-center of action大气活动中心: action center of the atmosphere; action centre of the atmosphere; centre of atmospheric action科技活动中心: science and technology center老年活动中心: senior citizen activity center旅游活动中心: tourism activities centre模拟活动中心: simulation operation center青年活动中心: youth center商业活动中心: commercial hub社区活动中心: community center; mjcc水上活动中心: water sports centre太阳活动中心: solar activity center学生活动中心: activities center; stamp student union; student activity center; student union学术活动中心: academic hotel业务活动中心: performance activity center业余活动中心: public building with facilities for sports and recreational activities初级保健活动中心: centro de atencion primaria de salud迪欣湖活动中心: inspiration lake官涌室内活动中心: kwun chung irc